A good idea for a small bathroom, under hanging shelves for things like cotton balls, cotton swabs, etc. Also great in the kitchen, for a spice rack over the stove. Just hang jars from bottom of the cabinet.
These are GREAT hacks. And it rids the world of some AWFUL fashion faux pas. 17 Hacks Every Bra Wearer Should Know - Use a paper clip to turn a bra into a racer-back, or to hide straps that keep poking out from sleeveless tops.